UQG Optics

SODA – LIME FLOAT GLASS
TRANSMISSION WAVE
3mm Thick
Physical Properties
Modulus of Elasticity (Young's) 7.2 x 1010 Pa(10.4 x 106 psi)
Modulus of Rigidity (Shear) 3.0 x 1010 Pa (4.3 x 106 psi)
Bulk Modulus 4.3 x 1010 Pa (6.18 x 106 psi)
Poisson’s Ration 0.23
Specific Gravity 2.53
Density 2530 kg/m3 (158 lb/ft3)
Coefficient of Thermal Stress 0.62 mPa/°C (50 psi/°F)
Thermal Conductivity 0.937 W.m/m2°C (6.5 btu.in/hr.°F.ft2)
Specific Heat 0.21
Coefficient of Linear Expansion 8.9 x 10-6 strain/°C (4.9 x 10-6 strain/°F)
Hardness (Moh’s Scale) 5 to 6
Refractive Index (Sodium D line) 1.523
(1 mm) 1.511
(2 mm) 1.499
Softening Point 1340°F (726°C)
Annealing Point 1015°F (546°C)
Strain Point 957°F (514°C)
Emissivity (Hemispherical) at 75°F 0.84
WHILE EVERY ATTEMPT HAS BEEN MADE TO VERIFY THE SOURCE OF THE INFORMATION, NO RESPONSIBILITY IS ACCEPTED FOR ACCURACY OF DATA.